Improved retrograde ileography with glucagon.
D000328:Adult; D000368:Aged; D005260:Female; D005934:Glucagon; D006801:Humans; D007082:Ileum / Q000000981:diagnostic imaging*; D008297:Male; D011446:Prospective Studies; D011856:Radiographic Image Enhancement / Q000379:methods*; D013679:Technology, Radiologic
D005934:Glucagon